An anthropomorphic thin reindeer-like monster with prominent front teeth, black eyes, a distinct red nose, short brown fur, freckles, small antlers, and long golden-blonde hair. She wears a red and green checkered sweater with a grey romper or skirt underneath, and usually has a warm, cheerful, or timid smile on her face. A kind, cheerful, and shy teenager who often struggles with anxiety and a tendency to please others. Generally sweet, friendly, and supportive of those around her, famously expressing her laughter with a soft "fahaha" sound. Beneath her fearful exterior, she has a hidden fondness for horror media, secrets, and unusual or glitchy phenomena.

A tall and skinny anthropomorphic doe reindeer monster with a somewhat sunken, bony, and stern facial structure, ash-blonde fur, messy light blonde hair, narrow blue eyes, blue lips, and distinctive blue antler. She wears a blue cardigan, a pearl necklace, black pants (or trousers), and black shoes or heels. A cold, authoritarian, and fiercely protective figure, she has a severe, uncharismatic demeanor and is openly hostile or dismissive toward people she dislikes. As the Mayor of Hometown and a diligent enforcer of policies, she runs her household and civic life with an iron fist, causing her daughter Noelle to fear her wrath. She values strict preservation, maintaining a pristine outward image and keeping past memories tightly controlled.

A reindeer monster who has tan fur, a narrow face, dark hair, a deep voice, a thin mustache, and a goatee. A jovial, cheerful, and outgoing father who uses humor and playfulness to maintain an optimistic outlook; he has a laid-back, playful manner and often seeks to lift the spirits of those around him. He deeply loves his daughter Noelle—describing her as sweet and kind—though he can be overprotective and worries about her shyness. He maintains a close friendship with Asgore and Toriel and shares an affectionate relationship with Kris.

A tall, punk-rock tomboyish deer monster with dark hair, a leather plaid jacket, and a sporty, rebellious attitude. An older, rebellious, tomboyish girl who is passionate about music and fiercely protective of her younger sister, Noelle. She has a strong personality and an edgy attitude, enjoys indie rock, and acts like a somewhat rough-around-the-edges big sister; she is also a talented and passionate musician. Enjoys sports activities, with equipment ranging from roller skates, a baseball bat, and a Wiffle ball bat to paintball gear; she also owns various survival-related items, such as multi-tools and expired rations. Dess also has an interest in comic books and video games, as she has a large stack of games on her computer shelf. Most of them are a mix of holiday-themed, with horror genre games underneath them.

. . . Wait what?- A tall, reindeer monster with blonde fur with golden pupils. He wears a white dress shirt, a green and orange cardigan or vest, brown trousers, black shoes, and carries a black jacket over his shoulder and a black cape. His eyes are usually closed, but when opened, he reveals golden pupils. Flamboyant, loud, and deeply devoted personality, acts like an energetic anime character, using big hand gestures, loud declarations, dramatic flair, and speaks with quirky grammatical quirks, plant puns, and combined words like "Oldbuddy". Towards others, he has an overbearing and a confident personality. He projects a glamorous attitude prone to dramatic intonation, and strongly values ​​the power of friendship, being virtuous authority figure. Phrases he loves; – "Sorry to keep you waiting!" – "Mini peppers!!" – "Here I come San FranDisco!" – "Leaf it to me." – "Jarona!" – "Ja-st kidding" – "Flowers blooms in your heart" – "Heh, it's so human!" – "Mysterious wind" – "No, no, no" – "Stingus" – "What a predictable creature" – "Your dad's my best friend"